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75 lines
2.6 KiB
C
75 lines
2.6 KiB
C
//
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// Copyright (c) Microsoft Corporation. All rights reserved.
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//
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//
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// Use of this sample source code is subject to the terms of the Microsoft
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// license agreement under which you licensed this sample source code. If
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// you did not accept the terms of the license agreement, you are not
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// authorized to use this sample source code. For the terms of the license,
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// please see the license agreement between you and Microsoft or, if applicable,
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// see the LICENSE.RTF on your install media or the root of your tools installation.
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// THE SAMPLE SOURCE CODE IS PROVIDED "AS IS", WITH NO WARRANTIES.
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//
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#define XMS_SUCCESS 0x00
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#define XMS_E_NOT_IMPLEMENTED 0x80
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#define XMS_E_VDISK_DETECTED 0x81
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#define XMS_E_A20_ERROR 0x82
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#define XMS_W_NO_HMA 0x90
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#define XMS_W_HMA_IN_USE 0x91
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#define XMS_W_HMA_DENIED 0x92
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#define XMS_W_HMA_NOT_ALLOCATED 0x93
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#define XMS_W_A20_STILL_ENABLED 0x94
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#define XMS_S_NO_FREE_EXTENDED_MEMORY 0xA0
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#define XMS_S_NO_FREE_HANDLES 0xA1
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#define XMS_S_INVALID_HANDLE 0xA2
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#define XMS_S_INVALID_SOURCE_HANDLE 0xA3
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#define XMS_S_INVALID_SOURCE_OFFSET 0xA4
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#define XMS_S_INVALID_DESTINATION_HANDLE 0xA5
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#define XMS_S_INVALID_DESTINATION_OFFSET 0xA6
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#define XMS_S_INVALID_LENGTH 0xA7
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#define XMS_S_INVALID_OVERLAP 0xA8
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#define XMS_S_PARITY_ERROR 0xA9
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#define XMS_S_BLOCK_LOCKED 0xAA
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#define XMS_S_HANDLE_LOCKED 0xAB
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#define XMS_S_LOCK_COUNT_OVERFLOW 0xAC
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#define XMS_S_LOCK_FAILED 0xAD
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#define XMS_I_SMALLER_UMB_AVAILABLE 0xB0
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#define XMS_I_NO_UMBS_AVAILABLE 0xB1
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#define XMS_I_INVALID_UMB_SEGMENT 0xB2
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int XmsIsInstalled();
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int XmsLocalEnableA20();
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int XmsLocalDisableA20();
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int XmsQueryA20(
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int *pbEnabled);
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int XmsQueryFreeExtendedMemory(
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unsigned int *puiLargestFreeBlock, unsigned int *puiTotalFree);
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int XmsAllocateExtendedMemory(
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unsigned int uiBlockSizeK, unsigned int * puiBlockHandle);
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int XmsFreeExtendedMemory(
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unsigned int uiBlockHandle);
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int XmsMoveExtendedMemory(
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unsigned int uiSourceHandle, unsigned long ulSourceOffset,
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unsigned int uiDestinationHandle, unsigned long ulDestinationOffset,
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unsigned long ulLength);
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int XmsLockExtendedMemory(
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unsigned int uiBlockHandle,
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unsigned long * pulLinearAddress);
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int XmsUnlockExtendedMemory(
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unsigned int uiBlockHandle);
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char *XmsErrorString();
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